Home / 948,637.72-1,309,102.86-518,914.09

Finding the Fourth Proportional to 948,637.72, 1,309,102.86 and 518,914.09

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Solution

The fourth proportional to 948,637.72, 1,309,102.86 and 518,914.09 is: 716,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,637.72 : 1,309,102.86 = 518,914.09 : x
  2. Step 2: Convert to fraction form
    948,637.72/1,309,102.86 = 518,914.09/x
  3. Step 3: Cross multiply
    948,637.72x = 1,309,102.86 × 518,914.09
  4. Step 4: Simplify right side
    948,637.72x = 679,311,919,313.30
  5. Step 5: Solve for x
    x = 679,311,919,313.30/948,637.72
  6. Step 6: Final answer
    x = 716,092.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.